Best Measure of Center Mean or Median

What measure of center is best for this data?

• mean

• median

• mode

What measure of center should you choose and why?

• Mean, because the data is clustered together.

• Mean, because there is an outlier.

• Median, because the data is clustered together.

• Median, because there is an outlier.

What is the median of the data set: 44, 43, 42, 40, 42, 45, 39, 38, 18.

ONLY TYPE IN A NUMBER

• 1/8
• 1/4
• 3/4
• 7/8

Which would be the best measure of center for the following set of data:
100, 125, 100, 95, 125, 800, 150

• mean

• median

• mode

• all of the above

Why would median be the best measure of center for the following set of data?
100, 125, 100, 95, 125, 800, 150

• There is an outlier.

• There is repeated data.

• All values should be included in the measure of center.

• All of the above.

Which would be the best measure of center for the following set of data:
12, 15, 21, 13, 15, 22, 25, 11, 14

• mean

• median

• mode

• all of the above

Why would mean be the best measure of center for the following set of data?
12, 15, 21, 13, 15, 22, 25, 11, 14

• There are no outliers.

• There is little repeated data.

• All values are included in the measure of center.

• All of the above.

Q1. What is the value of 3/4 + 6/8 + 9/8 + 1 1/8?

• 3/4

• 6/8

• 9/8

• 1 1/8

Should we use the mean or the median to represent the center of the data?